Registration number (WIID)Project No.TitleStatus
6228-Plastics piping systems for buried ducting - Polypropylene (PP) - Part 1: GeneralIzstrādē
6058-Polyethylene (PE) pressure pipes - Joints assembled with mechanical fittings - Internal under-pressure test methodIzstrādē
6258-Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) - Determination of the styrene content in the moulded stage using a Wijs-solutionIzstrādē
6302-Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Below ground assembled from standard components - Part 7: Assessment of conformityIzstrādē
6278-Plastics piping systems for renovation of underground gas supply networks - Part 3: Lining with close-fit pipesIzstrādē
6297-Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Below ground assembled from standard components - Part 2: Pipes with flexible or rigid jointsIzstrādē
6229-Plastics piping systems for buried ducting - Polypropylene (PP) - Part 2: PipesIzstrādē
6224-Plastics piping systems for buried ducting - Polyethylene (PE) - Part 3: FittingsIzstrādē
5921-Plastics piping systems for water supply - Polypropylene (PP) - Part 5: Fitness for purpose of the systemIzstrādē
5920-Plastics piping systems for water supply - Polypropylene (PP) - Part 4: Valves and auxiliary equipmentIzstrādē
Displaying 141-150 of 1421 results.